bumpy
[buhm-pee]
adjective, bump·i·er, bump·i·est.
of uneven surface; full of bumps: a bumpy road.
full of jolts: a bumpy ride.
causing jolts: Bumpy air shook the airplane.
having many difficulties or failures; full of ups and downs: He had a rather bumpy career before he settled down in his present job.
Origin of bumpy
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
bumpy
adjective bumpier or bumpiest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper